www.gusucode.com > 基于matlab的钢琴曲模拟演奏 > 基于matlab的钢琴曲模拟演奏/基于matlab的钢琴曲模拟/l4.m
function l4(t) fs = 8000; T = 0:1/fs:t; fn = 349.228; y = sin(2*pi*fn*T); sound(y,fs);